Harrison County, Iowa, United States

Last updated: 10:51 AM CDT  ·  Refresh
23°C
Feels like 24°
Mostly Clear
▲ 28°  /  ▼ 15°
Wind
3 mph SSE
Humidity
76%
Dew Point
19°
Pressure
28.82 inHg
Visibility
5 mi
UV Index
7.9
Cloud Cover
12%
Sunrise
6:37 AM
Sunset
8:15 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Harrison County is currently mostly clear at 23°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1350 J/kg) — isolated convective development possible. Sunrise: 6:37AM · Sunset: 8:15PM.

Alerts

No active alerts for this location.
36 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
3%
11 AM
24°
14%
12 PM
26°
7%
1 PM
26°
9%
2 PM
26°
12%
3 PM
27°
19%
4 PM
27°
19%
5 PM
28°
20%
6 PM
27°
20%
7 PM
25°
20%
8 PM
24°
21%
9 PM
22°
21%
10 PM
21°
13%
11 PM
21°
14%
12 AM
20°
8%
1 AM
20°
8%
2 AM
19°
9%
3 AM
19°
5%
4 AM
19°
5%
5 AM
17°
5%
6 AM
17°
5%
7 AM
18°
5%
8 AM
19°
5%
9 AM
23°
5%
7-Day Forecast
Today
28° 15°
Clear with a 20% chance of rain.
Fri
32° 17°
Clear with a 36% chance of rain.
Sat
29° 17°
Clear with a 26% chance of rain.
Sun
27° 13°
Mostly Cloudy with a 58% chance of rain.
Mon
31° 14°
Clear with a 50% chance of rain.
Tue
32° 18°
Rain, 34% chance.
Wed
31° 16°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 23° Mostly Clear 3% 3 mph SSE 76%
11 AM 24° Clear 14% 5 mph SSE 69%
12 PM 26° Clear 7% 6 mph SSE 63%
1 PM 26° Clear 9% 7 mph S 61%
2 PM 26° Clear 12% 8 mph S 59%
3 PM 27° Clear 19% 8 mph SSW 58%
4 PM 27° Clear 19% 8 mph SSW 61%
5 PM 28° Clear 20% 7 mph SSW 65%
6 PM 27° Clear 20% 6 mph SSW 69%
7 PM 25° Clear 20% 5 mph S 72%
8 PM 24° Mostly Clear 21% 5 mph S 74%
9 PM 22° Mostly Clear 21% 5 mph S 76%
10 PM 21° Mostly Clear 13% 5 mph S 78%
11 PM 21° Mostly Clear 14% 5 mph S 80%
12 AM 20° Clear 8% 5 mph S 82%
1 AM 20° Clear 8% 5 mph S 82%
2 AM 19° Clear 9% 5 mph S 82%
3 AM 19° Clear 5% 5 mph SSW 83%
4 AM 19° Clear 5% 5 mph SSW 84%
5 AM 17° Mostly Clear 5% 5 mph SSW 85%
6 AM 17° Mostly Clear 5% 5 mph SSW 86%
7 AM 18° Mostly Clear 5% 5 mph SW 83%
8 AM 19° Mostly Clear 5% 6 mph SW 80%
9 AM 23° Clear 5% 7 mph WSW 77%
15-Day Forecast
Today
8/20
Clear
20%
15°
28°
Fri
8/21
Clear
36%
17°
32°
Sat
8/22
Clear
26%
17°
29°
Sun
8/23
Mostly Cloudy
58%
13°
27°
Mon
8/24
Clear
50%
14°
31°
Tue
8/25
Rain
34%
18°
32°
Wed
8/26
Clear
17%
16°
31°
Thu
8/27
Drizzle
68%
14°
31°
Fri
8/28
Rain
68%
17°
32°
Sat
8/29
Clear
68%
20°
33°
Sun
8/30
Drizzle
60%
20°
34°
Mon
8/31
Drizzle
60%
19°
33°
Tue
9/1
Drizzle
60%
19°
33°
Wed
9/2
Clear
25%
20°
34°
Thu
9/3
Drizzle
60%
19°
33°
36
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
15 AQI 2.8 µg/m³
O3
Ground-level ozone
Dominant
36 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 36 Good 36 15
Sat 36 Good 36 15
Sun 31 Good 31 14
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Thu Aug 20, 14:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE183 J/kg
MLCAPE31 J/kg
MUCAPE183 J/kg
SBCIN-112 J/kg
MLCIN-163 J/kg
Lifted Index-0.8
Kinematics
0–6 km Shear29 kt
0–1 km Shear4 kt
Eff. Shear24 kt
0–1 km SRH17
0–3 km SRH65
Eff. SRH65
Storm Motion14° @ 20 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.2
K-Index3.9
Thermo & Levels
PWAT0.90 in
0–3 km LR5.4 °C/km
700–500 LR5.7 °C/km
Total Totals36.7
LCL923 hPa
LFC689 hPa
EL319 hPa
Freezing Lvl13,068 ft